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//usr/local/lib/ruby/gems/2.4.0/gems/rdbi-1.1.0/test/test_util.rb

require 'helper'

class TestUtil < Test::Unit::TestCase
  def test_01_exists
    assert(RDBI::Util)
  end

def test_02_optional_require
    assert_raises(LoadError) { RDBI::Util.optional_require('fart') }

RDBI::Util.optional_require('ostruct')
  end

def test_03_class_from_class_or_symbol
    assert_raises(ArgumentError) do
      RDBI::Util.class_from_class_or_symbol(1, RDBI)
    end

assert_equal(
      RDBI::Driver::Mock,
      RDBI::Util.class_from_class_or_symbol(RDBI::Driver::Mock, RDBI::Driver)
    )

assert_equal(
      RDBI::Driver::Mock,
      RDBI::Util.class_from_class_or_symbol(:Mock, RDBI::Driver)
    )

assert_equal(
      RDBI::Driver::Mock,
      RDBI::Util.class_from_class_or_symbol('Mock', RDBI::Driver)
    )
  end

def test_04_key_hash_as_symbols
    hash  = { "one" => 1, "two" => 2 }
    hash2 = { :one => 1, :two => 2 }

assert_equal(
      hash2,
      RDBI::Util.key_hash_as_symbols(hash)
    )

assert_equal(
      hash2,
      RDBI::Util.key_hash_as_symbols(hash2)
    )
  end

def test_05_deep_copy
    arr = %w(a b c d e f)
    arr2 = RDBI::Util.deep_copy(arr)
    assert_equal arr, arr2
    arr.zip(arr2).each do |left, right|
      assert_equal left, right
      assert_not_equal left.object_id, right.object_id
    end
  end
end

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